<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>广告图</title>
    <style>
        body{
            margin: 0;
            padding: 0;
        }
        .box{
            width: 200px;
            height: 300px;
            background-color: #D2E1F1;
            top:20px;
            right: 0;
            position: fixed;
        }
    </style>
</head>
<body>
    <div>网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br />网页<br /></div>
    <div class="box">广告图</div>
</body>
</html>